#include <stdio.h>         
#define LEN 20
char* s_get(char*, int);
int main(int argc, char* argcv[])
{
	char str[LEN];
	s_get(str,2);
	fputs(str,stdout);
	
	return 0;	
}
char* s_get(char* st, int n)
{
	char* ret_val;
	int i = 0;
	ret_val = fgets(st, n, stdin);
	if(ret_val)
	{
		while(st[i]!='\0' && st[i]!='\n' 
					&& st[i]!='\t')
			i++;
		if(st[i]=='\n' || st[i]=='\t')
			st[i] = '\0';
		else
			while(getchar() != '\n')
				continue;
	}
	return ret_val;
}
